@rbreich

Lower costs, too. Everything is cheaper when you do it in bulk. Low-income Americans pay fees just to have bank accounts. If they can afford to be in the stock market, they pay a higher percentage of transactions as brokerage costs. If they get paid by the hour, waiting for their appointment in the doctor's office adds to the cost of the visit.

Being rich doesn't just mean you have money. It means everything costs you less than if you're not rich.